Professor of Public Law, he specialises in Constitutional Law, Philosophy of Law and History of Political Thought.

He is an honorary member of the French University Institute and has sat as a qualified figure in the working group for the National Assembly (2014-2015) on the future of institutions. He is the co-director of the National Journal of Constitutional Law www.juspoliticum.com and the Law and Philosophy Journal. He teaches General Constitutional Law and Principles of Public Law.